Bring 4 cups (940 ml) of water to a boil in a saucepan.
Add 2 cups (400 g) of granulated sugar and stir until completely dissolved.
Set aside to cool.
Brew the Tea:
In a large mason jar or pitcher with a lid, combine 12 cups (2820 ml) of water, the cooled simple syrup, fresh mint leaves, lemon slices, and orange slices.
Stir well.
Add the 8 tea bags and seal the container.
Steeping:
Place the container in a warm, sunny location and let it steep for about 4 hours.
Serve:
Remove the tea bags and discard them.
Serve over ice for a perfectly chilled drink.
Notes / Tips / Wine Advice:
Serving Tip:Add extra mint leaves and citrus slices to each glass for an eye-catching presentation.Wine Advice:This sweet tea pairs wonderfully with light white wines or sparkling wine as a refreshing mixer for summer cocktails.